For racks, rafters and ridge beams, lumber with a section of 150 × 50 mm is required. If you use sockets in low structures, then you can use a beam of 40×60 mm.
For racks, rafters and ridge beams, lumber with a section of 150 × 50 mm is required. If you use sockets in low structures, then you can use a beam of 40×60 mm.